发明名称 |
Authentication device and method using electronic certificate files having hierarchical relationship |
摘要 |
This authentication device includes: a volatile memory; a non-volatile memory which stores a plurality of electronic certificate files; a unit which refers to the non-volatile memory upon start-up, and which stores a hierarchical relationship between the plurality of electronic certificate files in the volatile memory; a unit for searching for a desired electronic certificate file based upon the hierarchical relationship between the plurality of electronic certificate files in the volatile memory; and an authentication unit which performs authentication using the electronic certificate file which has been found by the search unit.
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申请公布号 |
US8473737(B2) |
申请公布日期 |
2013.06.25 |
申请号 |
US20080016778 |
申请日期 |
2008.01.18 |
申请人 |
KIKUCHI YUSAKU;SEIKO EPSON CORPORATION |
发明人 |
KIKUCHI YUSAKU |
分类号 |
H04L29/06;G06F7/04;G06F15/16;G06F17/30;H04L9/32 |
主分类号 |
H04L29/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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